Home / 14,665.08-21,989.70-5,303.64

Finding the Fourth Proportional to 14,665.08, 21,989.70 and 5,303.64

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Solution

The fourth proportional to 14,665.08, 21,989.70 and 5,303.64 is: 7,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.08 : 21,989.70 = 5,303.64 : x
  2. Step 2: Convert to fraction form
    14,665.08/21,989.70 = 5,303.64/x
  3. Step 3: Cross multiply
    14,665.08x = 21,989.70 × 5,303.64
  4. Step 4: Simplify right side
    14,665.08x = 116,625,452.51
  5. Step 5: Solve for x
    x = 116,625,452.51/14,665.08
  6. Step 6: Final answer
    x = 7,952.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.